What is a polyamide thermal break?
- Anatolii Fedorov
- Feb 15
- 1 min read
What is a polyamide thermal break?
Aluminium is renowned for being the strongest material for window and door frames. This makes it an ideal material for products like bifold doors, for which large panes of glass need supporting. However, being a metal, aluminium is a naturally excellent conductor of heat. For that reason, aluminium requires a polyamide thermal break to enhance its thermal efficiency and slow its rate of thermal transfusion.
What is a thermal break?
A thermal break takes place by inserting an insulating material into the aluminium profile. This separates the interior and exterior sides of the frames. The material creates a ‘break’ in the profile, which interrupts the thermal transfer through the metal.
This drastically reduces the transferral of heat through the profile, lowering the U-values of the windows or doors. Heat has a much lower chance of escaping through the frame, and the product’s overall energy efficiency will be greatly improved.
What is polyamide?
Chemically speaking, polyamide is a polymer with repeating units linked by amide bonds. Natural occurrences of polyamides include resources like wool and silk. However, it’s possible to create polyamides artificially in the form of nylon and other plastics.
In the case of aluminium windows, the polyamide in question is plastic. Plastic can insulate 500 times more effectively than aluminium. This is why it’s used for thermal breaking. The plastic slows the transfusion of heat particles through the profile, allowing aluminium windows and doors to maintain strong levels in both aesthetic appearance and thermal performance.
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